In short, 4D ultrasound imaging is a 3D ultrasound in live motion. 4D ultrasounds utilize either a 2D transducer, which rapidly acquires 20-30 volumes or a matrix array, which instead uses a 3D ...

Here's what to know about the differences between 2D, 3D, and 4D ultrasounds during pregnancy. 2D Ultrasound All ultrasounds use sound waves to create a picture.

3D and 4D ultrasounds use sound waves to create an image of the baby in the womb, like the traditional ultrasound procedures. However, the difference between 3D and 4D ultrasound is that while the ...

3D and 4D ultrasounds are optional. They're not standard prenatal tests. Doctors often give them as a courtesy to women who want them. Not all doctors have access to 3D or 4D ultrasounds. Also ...